TY - JOUR A1 - Nakano, S. A1 - Kataoka, R. T1 - Virtual sounding of solar-wind effects on the AU and AL indices based on an echo state network model JO - Ann. Geophys. Discuss. J1 - ANGEOD VL - 2021 SP - 1 EP - 16 Y1 - 2021/09/20 PB - Copernicus Publications SN - 2568-6402 UR - https://angeo.copernicus.org/preprints/angeo-2021-54/ L1 - https://angeo.copernicus.org/preprints/angeo-2021-54/angeo-2021-54.pdf DO - 10.5194/angeo-2021-54 ER -